Licensed radio amateur (HB9SSB), paraglider- and glider-pilot, motorbike rider and adventuror (Land Rover enthusiast). Former lecturor and member of the board of the department ?HyperWerk of the Basel University of Applied Sciences.

Organizer and chairman of the 2005 European BSD Developers Conference at the University of Basel, Switzerland and organizer and chairman of the 2007 OpenBSD Developers Conference OpenCON in Venice, Italy.